Built-in commands

• clrs > clears the screen
• help > shows the list of built-in commands
• test > this one always returns 2 (see return codes)
• cc > displays copyright info (see license)
• getdoc [cmd] > displays a short summary of provided command
• chcolor [fg] [bg] > changes console text colors (see available colors)

DEBUG commands:

• crash_kernel > panic!s the system